Japan Synopsis
最近、妹のようすがちょっとおかしいんだが
Mitsuki and Yuya become stepsister and stepbrother because of their parents' marriage. Mitsuki can't get along with her new family and Yuya doesn't know how to approach his new stepsister. One day, Mitsuki becomes possessed by the spirit of Hiyori. Hiyori likes Yuya and believes Yuya can help her get to heaven. Hiyori places a leather chastity belt upon on Mitsuki and a plan takes place to help send Hiyori to heaven.
Titles With Overlapping Themes
Films and series that share thematic tags with What's Going On With My Sister. Number on each card indicates how many keywords overlap.
Other Titles From KADOKAWA
Comedy + Fantasy in Japan
377 Japan titles in our catalog blend the Comedy and Fantasy genres. Below: the top-rated of them (excluding What's Going On With My Sister itself).
The 2013–2015 Japan Window
In the crowded 2013-2015 Japan release window, What's Going On With My Sister sits at #483 of 546. The leaderboard below contextualises its neighbours.
The 2010s Japan Landscape
Catalog density by release year across the 2010s in Japan, 1769 titles in total. Highlighted year (yellow) is when What's Going On With My Sister premiered alongside 186 others.
Position in Catalog
Released alongside 186 other Japan films in 2014.
The 2973rd Japan title from Japan we index (earliest catalogued entry: 1899).
Our Japan catalog contains 4,579 titles in total (2,908 films).
Audience Engagement
23 audience reviews — more than 41% of Japan films in our index.
Popularity sits at the 45th percentile among Japan films.
Thematic Fingerprint
Tags on What's Going On With My Sister, grouped by how common each theme is across the full Asian catalog. Rare tags are more distinctive signals.
- teenage sexuality · 5
- taboo · 4
- japanese woman · 4
- schoolgirl uniform · 4
- heaven · 3
- illicit love · 3
- chastity belt · 2
- family values · 2
- absent parent · 2
- stepbrother · 1
- life after death · 1
- stepsister · 1
- trapped soul · 1
- forbidden sexuality · 1
- forbidden fruit · 1
- schoolgirl · 22
- spirit · 20
- forbidden love · 19
- unrequited love · 19
- high school student · 18
- incest · 17
- possession · 15
- afterlife · 13
- based on manga · 297
- family relationships · 57
- erotic movie · 46
Reception Benchmarks
Ranked #4,028 of 4,579 Japan films indexed here (12th percentile by TMDB audience score).
Rating is -1.1 points below the Japan average of 6.9/10.
Among Japan Comedy productions specifically: #1,279 of 1,411 (top 91%).
Production Details
| Primary Country | Japan |
|---|---|
| Original Language | Japanese |
| Production Companies | KADOKAWA |
| Runtime | 1h 57m |
| Release Date | May 17, 2014 |
| IMDb | tt3396842 |